Need a last minute trip to the islands? Here's a great deal for those who can pack up head to the Caribbean this fall. Flights are available daily starting October 12 through October 30, 2018. On some itineraries there might an overnight required in Panama City, Panama, so avoid those if you don't wish to have a long layover, or use it as a bonus make a 2-for-1 destination deal. Flights at this price include one piece of free checked baggage.

Searching on Copa's website, I found seats departing IAD on Thursday, October 25 and returning from POS on Wednesday, October 31, 2018. Other dates are widely available throughout the month.

If you can't travel on short notice or have another destination in mind, have a look at our Washington DC (IAD) and Washington (DCA) flight deal pages for a complete list of deals we've found today.

Need a place in Trinidad & Tobago? Here's what's available for the sample dates on Hotelwatchdog.